Home / 187,701.19-280,845.46-131,650.68

Finding the Fourth Proportional to 187,701.19, 280,845.46 and 131,650.68

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Solution

The fourth proportional to 187,701.19, 280,845.46 and 131,650.68 is: 196,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,701.19 : 280,845.46 = 131,650.68 : x
  2. Step 2: Convert to fraction form
    187,701.19/280,845.46 = 131,650.68/x
  3. Step 3: Cross multiply
    187,701.19x = 280,845.46 × 131,650.68
  4. Step 4: Simplify right side
    187,701.19x = 36,973,495,783.91
  5. Step 5: Solve for x
    x = 36,973,495,783.91/187,701.19
  6. Step 6: Final answer
    x = 196,980.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.